*** empty log message ***

opttst.cc

@@ -15,7 +15,7 @@ Option<float> dof(string("-d,--dof"), 100.0,
 		  true, requires_argument);
 Option<string> mask(string("-m,--mask"), string("mask"),
 		    string("brain mask volume"),
-		    true, requires_argument);
+		    true, requires_argument,false);
 Option<string> resid(string("-r,--res"), string("res4d"),
 		     string("4d `residual-of-fit' image"),
 		     true, requires_argument);